Dave Goelz
The Great Gonzo / Dr. Bunsen Honeydew / Zoot / Waldorf / Beauregard / Chip / Himself (voice)
Bill Barretta
Pepe the King Prawn / Rowlf the Dog / The Swedish Chef / Dr. Teeth / Bobo the Bear / Mahna Mahna / Big Mean Carl / Himself (voice)
Eric Jacobson
Miss Piggy / Fozzie Bear / Animal / Sam Eagle / Newsman / Himself (voice)
Matt Vogel
Kermit the Frog / Uncle Deadly / Sgt. Floyd Pepper / Lew Zealand / Camilla / Dr. Julius Strangepork / Sweetums / Himself (voice)
David Rudman
Scooter / Janice / Beaker / Himself (voice)